Ounce to Gram
Convert Ounces to Grams instantly using our precision weight converter.
How to Use
Enter the ounce amount
Type the weight in ounces. Use decimals for fractions (0.5 = half an ounce).
Read the gram result
The gram equivalent appears instantly using the exact factor of 28.3495 g per oz.
Use the gram value
Apply the result to your metric scale, recipe, or product documentation.
Convert more ounces
Enter additional ounce values for further conversions without page reload.
How to convert Ounces to Grams
To convert ounces to grams, multiply the weight in ounces by 28.3495. This conversion is essential for following international cooking and baking recipes.
Formula
Grams = Ounces × 28.3495
Common Cooking Conversions
- 1 ounce = 28.35 grams
- 4 ounces = 113 grams
- 8 ounces = 226 grams
- 16 ounces = 454 grams (1 pound)
Frequently Asked Questions
Do I need exact measurements for cooking?
For most recipes, approximating (1 oz ≈ 28 grams) is fine. However, for baking or precision cooking, use exact conversions as baking is more sensitive to measurements.
What cooking ingredients are commonly measured in ounces?
Flour, butter, chocolate, and spices are often given in ounces in American recipes. Most other countries prefer grams for better precision.
Why do older recipes use ounces?
Ounces have been used for centuries in English-speaking countries. Modern digital scales now make gram measurements easier, prompting recipe writers to use both units.
Real-World Examples & Use Cases
Following International Recipes
American recipes specify ingredients in cups, tablespoons, and ounces, while European, Australian, and Asian recipes use grams. Converting ounce-based measurements to grams allows anyone with a metric kitchen scale to follow American recipes precisely. A recipe calling for 8 oz of cream cheese requires 226.8 grams on your metric scale. Bread baking, pastry making, and confectionery recipes are especially weight-sensitive, so accurate ounce-to-gram conversion ensures correct proportions when adapting US recipes for metric measurement.
Nutrition Labeling for International Markets
US food manufacturers must list serving sizes in ounces on domestic labels, but European and Asian markets require grams. A 1-oz serving (28.35 g) must be clearly labeled in grams for export. Food producers, private label brands, and specialty food importers preparing products for international distribution need to convert ounce-based portion sizes and package weights to gram equivalents for regulatory compliance with EU, UK, and Australian food labeling standards.
Coffee, Tea & Beverage Industry
Specialty coffee is dosed by weight for consistency. US baristas and home espresso enthusiasts often discuss coffee doses in ounces (e.g., 0.75 oz per double shot), while European specialty coffee documentation uses grams (21 grams per shot). Converting ounce measurements to grams enables precise recipe replication across international coffee communities. Tea blending, cocktail recipe development, and food service standardization all involve ounce-to-gram conversions when sharing methods and recipes internationally.
Jewelry, Crafts & Precious Materials
Craft supply listings, jewelry findings, and material specifications often use ounces for weight in US stores and grams internationally. Beads, wire, clay, and resin are sold by the ounce in American craft stores but by gram in European or Asian suppliers. A 2-oz bag of beads equals 56.7 grams. Jewelry makers sourcing materials internationally or comparing prices between US and overseas suppliers need ounce-to-gram conversion to accurately compare unit prices and quantities when ordering craft materials.
How It Works
Ounce to gram conversion uses the same constant as gram to ounce, applied in the opposite direction. The conversion formula: Grams = Ounces × 28.3495 The exact international definition: 1 avoirdupois ounce = 28.349523125 grams For quick mental math: multiply ounces by 28 for a close estimate (underestimates by 1.2%). To go back from grams to ounces: divide by 28.3495. Units note: This converter uses avoirdupois ounces (28.35 g), the standard for food and everyday items. Troy ounces (used for gold and silver) equal 31.1035 g. Always verify which ounce type applies to your context. Key cooking conversions: - 1 oz = 28.35 g - 4 oz = 113.4 g (quarter pound) - 8 oz = 226.8 g (half pound) - 16 oz = 453.6 g (1 pound) - 32 oz = 907.2 g (2 pounds)
Frequently Asked Questions
How many grams is 2 ounces?▼
What is 4 ounces in grams?▼
What is 8 ounces in grams?▼
Do professional chefs prefer grams or ounces?▼
What is 16 ounces in grams?▼
Why does baking require precise measurements in grams?▼
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